﻿/*    
Correctly handle PNG transparency in Win IE 5.5 & 6.   
Copyright 2007 Ignia, LLC   
Based in part on code from from http://homepage.ntlworld.com/bobosola.   
  
Use in <HEAD> with DEFER keyword wrapped in conditional comments:   
<!--[if lt IE 7]>   
<script defer type="text/javascript" src="pngfix.js"></script>   
<![endif]-->   
  
*/   
   

   
   
function fixPng() 
{    
    var arVersion = navigator.appVersion.split("MSIE")    
    var version = parseFloat(arVersion[1])    
   
    if ((version >= 5.5 && version < 7.0) && (document.body.filters)) 
    {    
        for(var i=0; i<document.images.length; i++) 
        { 
           var img = document.images[i] 
           var imgName = img.src.toUpperCase() 
           if (imgName.substring(imgName.length-3, imgName.length) == "PNG") 
           { 
               var imgID = (img.id) ? "id='" + img.id + "' " : "" 
               var imgClass = (img.className) ? "class='" + img.className + "' " : "" 
               var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " 
               var imgStyle = "display:inline-block;" + img.style.cssText  
               if (img.align == "left") imgStyle = "float:left;" + imgStyle 
               if (img.align == "right") imgStyle = "float:right;" + imgStyle 
               if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle   
               var strNewHTML = "<span " + imgID + imgClass + imgTitle 
               + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" 
               + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" 
               + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"  
               img.outerHTML = strNewHTML 
               i = i-1
           } 
        } 
    }    
}    
   
window.attachEvent("onload", fixPng); 
